18 



formed for walking ; abdomen seven-jointed, with the in- 

 termediate joints coalescing, and often obsolete ; of the 

 male narrow; of the female very large, with the last joint 

 very small. 



Synopsis Sttrpium et Gexerum. 



Stirps 1. Testa rhomboidalis. Pedum par anticum de- 

 pressum, aliis multo majus ; digiti deflexi. 



Gen. 1. Ebalia. Testa antice producta ; lateribus in- 

 tegris. Brachia antica sul)angulata ; digitis subde- 

 flexis. Pedes octo postici simplices. Pedipalpi externi 

 cauleexterno lineari. Abdomen maris articulo ultimo 

 basi processu dentiiormi instructum. 



Gen. 2. NuRSlA. Testa antice producta ; lateribus po- 

 stice dentato-emarginatis. Pedes angulati ; digitis 

 valde deflexis. Pedipal[)i externi caule externo dila- 

 tato. Abdomen maris articulo penultimo apicem 

 prope processu dentiformi instructum. 

 Stirps 2. Testa rotundata aut globosa. Pedum par anti- 

 cum aliis multo crassius : paria alia articulo penultimo 

 unguibusque compressis. 



Gen. 3. Leucosia. Testa globosa fronte producta cly- 

 peo longiore ; lateribus utrinque supra pedes anticos • 

 profunde canaliculatis. Pedipalpi externi caule inte- 

 riore sensim acuminato ; exteriore latiore lineari. 



Gen. 4. Piiilyra. Testa rotundata depressa ; fronte 

 clypeo breviore. Pedipalpi externi caule interiore acu- 

 minato ; exteriore latissimo ovato. 



Gen. 5. Persepiiona. Testa rotundata depressa; fronte 

 subproducta clypeo non longiore. Pedipalpi externi 

 caulibus sensim acumiaatis ; exteriore apice obtu- 

 sisbimo. 



